Home / 98,794.88-136,335.66-56,354.12

Finding the Fourth Proportional to 98,794.88, 136,335.66 and 56,354.12

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Solution

The fourth proportional to 98,794.88, 136,335.66 and 56,354.12 is: 77,767.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,794.88 : 136,335.66 = 56,354.12 : x
  2. Step 2: Convert to fraction form
    98,794.88/136,335.66 = 56,354.12/x
  3. Step 3: Cross multiply
    98,794.88x = 136,335.66 × 56,354.12
  4. Step 4: Simplify right side
    98,794.88x = 7,683,076,143.92
  5. Step 5: Solve for x
    x = 7,683,076,143.92/98,794.88
  6. Step 6: Final answer
    x = 77,767.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.